Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 99efe6405ec55727d31f2fe0aa9f915c86482147aaaae45509da6ad9bf2ced24:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^